package com.atguigu.gmall0701.demo.customer.service;

import com.atguigu.gmall0701.demo.customer.bean.Customer;

import java.util.List;

public interface CustomerService {


    public Customer getCustomerById(String id);

    public List<Customer>  getCustomerList(String name ,Integer age);

    public void saveCustomer(Customer customer);


}
